PanelView.java revision 3a9c10a2861404f1be9f06a3a54ae18803c81d1d
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.systemui.statusbar.phone; 18 19import android.animation.Animator; 20import android.animation.AnimatorListenerAdapter; 21import android.animation.ObjectAnimator; 22import android.animation.ValueAnimator; 23import android.content.Context; 24import android.content.res.Configuration; 25import android.content.res.Resources; 26import android.util.AttributeSet; 27import android.util.Log; 28import android.view.MotionEvent; 29import android.view.ViewConfiguration; 30import android.view.ViewTreeObserver; 31import android.view.animation.AnimationUtils; 32import android.view.animation.Interpolator; 33import android.widget.FrameLayout; 34 35import com.android.systemui.R; 36import com.android.systemui.doze.DozeLog; 37import com.android.systemui.statusbar.FlingAnimationUtils; 38import com.android.systemui.statusbar.StatusBarState; 39 40import java.io.FileDescriptor; 41import java.io.PrintWriter; 42 43public abstract class PanelView extends FrameLayout { 44 public static final boolean DEBUG = PanelBar.DEBUG; 45 public static final String TAG = PanelView.class.getSimpleName(); 46 47 private final void logf(String fmt, Object... args) { 48 Log.v(TAG, (mViewName != null ? (mViewName + ": ") : "") + String.format(fmt, args)); 49 } 50 51 protected PhoneStatusBar mStatusBar; 52 private float mPeekHeight; 53 private float mHintDistance; 54 private int mEdgeTapAreaWidth; 55 private float mInitialOffsetOnTouch; 56 private float mExpandedFraction = 0; 57 protected float mExpandedHeight = 0; 58 private boolean mPanelClosedOnDown; 59 private boolean mHasLayoutedSinceDown; 60 private float mUpdateFlingVelocity; 61 private boolean mUpdateFlingOnLayout; 62 private boolean mPeekTouching; 63 private boolean mJustPeeked; 64 private boolean mClosing; 65 protected boolean mTracking; 66 private boolean mTouchSlopExceeded; 67 private int mTrackingPointer; 68 protected int mTouchSlop; 69 protected boolean mHintAnimationRunning; 70 private boolean mOverExpandedBeforeFling; 71 private boolean mTouchAboveFalsingThreshold; 72 private int mUnlockFalsingThreshold; 73 74 private ValueAnimator mHeightAnimator; 75 private ObjectAnimator mPeekAnimator; 76 private VelocityTrackerInterface mVelocityTracker; 77 private FlingAnimationUtils mFlingAnimationUtils; 78 79 /** 80 * Whether an instant expand request is currently pending and we are just waiting for layout. 81 */ 82 private boolean mInstantExpanding; 83 84 PanelBar mBar; 85 86 private String mViewName; 87 private float mInitialTouchY; 88 private float mInitialTouchX; 89 private boolean mTouchDisabled; 90 91 private Interpolator mLinearOutSlowInInterpolator; 92 private Interpolator mFastOutSlowInInterpolator; 93 private Interpolator mBounceInterpolator; 94 protected KeyguardBottomAreaView mKeyguardBottomArea; 95 96 private boolean mPeekPending; 97 private boolean mCollapseAfterPeek; 98 private boolean mExpanding; 99 private boolean mGestureWaitForTouchSlop; 100 private Runnable mPeekRunnable = new Runnable() { 101 @Override 102 public void run() { 103 mPeekPending = false; 104 runPeekAnimation(); 105 } 106 }; 107 108 protected void onExpandingFinished() { 109 endClosing(); 110 mBar.onExpandingFinished(); 111 } 112 113 protected void onExpandingStarted() { 114 } 115 116 private void notifyExpandingStarted() { 117 if (!mExpanding) { 118 mExpanding = true; 119 onExpandingStarted(); 120 } 121 } 122 123 private void notifyExpandingFinished() { 124 if (mExpanding) { 125 mExpanding = false; 126 onExpandingFinished(); 127 } 128 } 129 130 private void schedulePeek() { 131 mPeekPending = true; 132 long timeout = ViewConfiguration.getTapTimeout(); 133 postOnAnimationDelayed(mPeekRunnable, timeout); 134 notifyBarPanelExpansionChanged(); 135 } 136 137 private void runPeekAnimation() { 138 mPeekHeight = getPeekHeight(); 139 if (DEBUG) logf("peek to height=%.1f", mPeekHeight); 140 if (mHeightAnimator != null) { 141 return; 142 } 143 mPeekAnimator = ObjectAnimator.ofFloat(this, "expandedHeight", mPeekHeight) 144 .setDuration(250); 145 mPeekAnimator.setInterpolator(mLinearOutSlowInInterpolator); 146 mPeekAnimator.addListener(new AnimatorListenerAdapter() { 147 private boolean mCancelled; 148 149 @Override 150 public void onAnimationCancel(Animator animation) { 151 mCancelled = true; 152 } 153 154 @Override 155 public void onAnimationEnd(Animator animation) { 156 mPeekAnimator = null; 157 if (mCollapseAfterPeek && !mCancelled) { 158 postOnAnimation(new Runnable() { 159 @Override 160 public void run() { 161 collapse(false /* delayed */); 162 } 163 }); 164 } 165 mCollapseAfterPeek = false; 166 } 167 }); 168 notifyExpandingStarted(); 169 mPeekAnimator.start(); 170 mJustPeeked = true; 171 } 172 173 public PanelView(Context context, AttributeSet attrs) { 174 super(context, attrs); 175 mFlingAnimationUtils = new FlingAnimationUtils(context, 0.6f); 176 mFastOutSlowInInterpolator = 177 AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_slow_in); 178 mLinearOutSlowInInterpolator = 179 AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); 180 mBounceInterpolator = new BounceInterpolator(); 181 } 182 183 protected void loadDimens() { 184 final Resources res = getContext().getResources(); 185 final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 186 mTouchSlop = configuration.getScaledTouchSlop(); 187 mHintDistance = res.getDimension(R.dimen.hint_move_distance); 188 mEdgeTapAreaWidth = res.getDimensionPixelSize(R.dimen.edge_tap_area_width); 189 mUnlockFalsingThreshold = res.getDimensionPixelSize(R.dimen.unlock_falsing_threshold); 190 } 191 192 private void trackMovement(MotionEvent event) { 193 // Add movement to velocity tracker using raw screen X and Y coordinates instead 194 // of window coordinates because the window frame may be moving at the same time. 195 float deltaX = event.getRawX() - event.getX(); 196 float deltaY = event.getRawY() - event.getY(); 197 event.offsetLocation(deltaX, deltaY); 198 if (mVelocityTracker != null) mVelocityTracker.addMovement(event); 199 event.offsetLocation(-deltaX, -deltaY); 200 } 201 202 public void setTouchDisabled(boolean disabled) { 203 mTouchDisabled = disabled; 204 } 205 206 @Override 207 public boolean onTouchEvent(MotionEvent event) { 208 if (mInstantExpanding || mTouchDisabled) { 209 return false; 210 } 211 212 /* 213 * We capture touch events here and update the expand height here in case according to 214 * the users fingers. This also handles multi-touch. 215 * 216 * If the user just clicks shortly, we give him a quick peek of the shade. 217 * 218 * Flinging is also enabled in order to open or close the shade. 219 */ 220 221 int pointerIndex = event.findPointerIndex(mTrackingPointer); 222 if (pointerIndex < 0) { 223 pointerIndex = 0; 224 mTrackingPointer = event.getPointerId(pointerIndex); 225 } 226 final float y = event.getY(pointerIndex); 227 final float x = event.getX(pointerIndex); 228 229 if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { 230 mGestureWaitForTouchSlop = mExpandedHeight == 0f; 231 } 232 boolean waitForTouchSlop = hasConflictingGestures() || mGestureWaitForTouchSlop; 233 234 switch (event.getActionMasked()) { 235 case MotionEvent.ACTION_DOWN: 236 mInitialTouchY = y; 237 mInitialTouchX = x; 238 mInitialOffsetOnTouch = mExpandedHeight; 239 mTouchSlopExceeded = false; 240 mJustPeeked = false; 241 mPanelClosedOnDown = mExpandedHeight == 0.0f; 242 mHasLayoutedSinceDown = false; 243 mUpdateFlingOnLayout = false; 244 mPeekTouching = mPanelClosedOnDown; 245 mTouchAboveFalsingThreshold = false; 246 if (mVelocityTracker == null) { 247 initVelocityTracker(); 248 } 249 trackMovement(event); 250 if (!waitForTouchSlop || (mHeightAnimator != null && !mHintAnimationRunning) || 251 mPeekPending || mPeekAnimator != null) { 252 cancelHeightAnimator(); 253 cancelPeek(); 254 mTouchSlopExceeded = (mHeightAnimator != null && !mHintAnimationRunning) 255 || mPeekPending || mPeekAnimator != null; 256 onTrackingStarted(); 257 } 258 if (mExpandedHeight == 0) { 259 schedulePeek(); 260 } 261 break; 262 263 case MotionEvent.ACTION_POINTER_UP: 264 final int upPointer = event.getPointerId(event.getActionIndex()); 265 if (mTrackingPointer == upPointer) { 266 // gesture is ongoing, find a new pointer to track 267 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 268 final float newY = event.getY(newIndex); 269 final float newX = event.getX(newIndex); 270 mTrackingPointer = event.getPointerId(newIndex); 271 mInitialOffsetOnTouch = mExpandedHeight; 272 mInitialTouchY = newY; 273 mInitialTouchX = newX; 274 } 275 break; 276 277 case MotionEvent.ACTION_MOVE: 278 float h = y - mInitialTouchY; 279 280 // If the panel was collapsed when touching, we only need to check for the 281 // y-component of the gesture, as we have no conflicting horizontal gesture. 282 if (Math.abs(h) > mTouchSlop 283 && (Math.abs(h) > Math.abs(x - mInitialTouchX) 284 || mInitialOffsetOnTouch == 0f)) { 285 mTouchSlopExceeded = true; 286 if (waitForTouchSlop && !mTracking) { 287 if (!mJustPeeked && mInitialOffsetOnTouch != 0f) { 288 mInitialOffsetOnTouch = mExpandedHeight; 289 mInitialTouchX = x; 290 mInitialTouchY = y; 291 h = 0; 292 } 293 cancelHeightAnimator(); 294 removeCallbacks(mPeekRunnable); 295 mPeekPending = false; 296 onTrackingStarted(); 297 } 298 } 299 final float newHeight = Math.max(0, h + mInitialOffsetOnTouch); 300 if (newHeight > mPeekHeight) { 301 if (mPeekAnimator != null) { 302 mPeekAnimator.cancel(); 303 } 304 mJustPeeked = false; 305 } 306 if (-h >= getFalsingThreshold()) { 307 mTouchAboveFalsingThreshold = true; 308 } 309 if (!mJustPeeked && (!waitForTouchSlop || mTracking) && !isTrackingBlocked()) { 310 setExpandedHeightInternal(newHeight); 311 } 312 313 trackMovement(event); 314 break; 315 316 case MotionEvent.ACTION_UP: 317 case MotionEvent.ACTION_CANCEL: 318 mTrackingPointer = -1; 319 trackMovement(event); 320 if ((mTracking && mTouchSlopExceeded) 321 || Math.abs(x - mInitialTouchX) > mTouchSlop 322 || Math.abs(y - mInitialTouchY) > mTouchSlop 323 || event.getActionMasked() == MotionEvent.ACTION_CANCEL) { 324 float vel = 0f; 325 float vectorVel = 0f; 326 if (mVelocityTracker != null) { 327 mVelocityTracker.computeCurrentVelocity(1000); 328 vel = mVelocityTracker.getYVelocity(); 329 vectorVel = (float) Math.hypot( 330 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity()); 331 } 332 boolean expand = flingExpands(vel, vectorVel); 333 onTrackingStopped(expand); 334 DozeLog.traceFling(expand, mTouchAboveFalsingThreshold, 335 mStatusBar.isFalsingThresholdNeeded(), 336 mStatusBar.isScreenOnComingFromTouch()); 337 fling(vel, expand); 338 mUpdateFlingOnLayout = expand && mPanelClosedOnDown && !mHasLayoutedSinceDown; 339 if (mUpdateFlingOnLayout) { 340 mUpdateFlingVelocity = vel; 341 } 342 } else { 343 boolean expands = onEmptySpaceClick(mInitialTouchX); 344 onTrackingStopped(expands); 345 } 346 347 if (mVelocityTracker != null) { 348 mVelocityTracker.recycle(); 349 mVelocityTracker = null; 350 } 351 mPeekTouching = false; 352 break; 353 } 354 return !waitForTouchSlop || mTracking; 355 } 356 357 private int getFalsingThreshold() { 358 float factor = mStatusBar.isScreenOnComingFromTouch() ? 1.5f : 1.0f; 359 return (int) (mUnlockFalsingThreshold * factor); 360 } 361 362 protected abstract boolean hasConflictingGestures(); 363 364 protected void onTrackingStopped(boolean expand) { 365 mTracking = false; 366 mBar.onTrackingStopped(PanelView.this, expand); 367 } 368 369 protected void onTrackingStarted() { 370 endClosing(); 371 mTracking = true; 372 mCollapseAfterPeek = false; 373 mBar.onTrackingStarted(PanelView.this); 374 notifyExpandingStarted(); 375 } 376 377 @Override 378 public boolean onInterceptTouchEvent(MotionEvent event) { 379 if (mInstantExpanding) { 380 return false; 381 } 382 383 /* 384 * If the user drags anywhere inside the panel we intercept it if he moves his finger 385 * upwards. This allows closing the shade from anywhere inside the panel. 386 * 387 * We only do this if the current content is scrolled to the bottom, 388 * i.e isScrolledToBottom() is true and therefore there is no conflicting scrolling gesture 389 * possible. 390 */ 391 int pointerIndex = event.findPointerIndex(mTrackingPointer); 392 if (pointerIndex < 0) { 393 pointerIndex = 0; 394 mTrackingPointer = event.getPointerId(pointerIndex); 395 } 396 final float x = event.getX(pointerIndex); 397 final float y = event.getY(pointerIndex); 398 boolean scrolledToBottom = isScrolledToBottom(); 399 400 switch (event.getActionMasked()) { 401 case MotionEvent.ACTION_DOWN: 402 mStatusBar.userActivity(); 403 if (mHeightAnimator != null && !mHintAnimationRunning || 404 mPeekPending || mPeekAnimator != null) { 405 cancelHeightAnimator(); 406 cancelPeek(); 407 mTouchSlopExceeded = true; 408 return true; 409 } 410 mInitialTouchY = y; 411 mInitialTouchX = x; 412 mTouchSlopExceeded = false; 413 mJustPeeked = false; 414 mPanelClosedOnDown = mExpandedHeight == 0.0f; 415 mHasLayoutedSinceDown = false; 416 mUpdateFlingOnLayout = false; 417 mTouchAboveFalsingThreshold = false; 418 initVelocityTracker(); 419 trackMovement(event); 420 break; 421 case MotionEvent.ACTION_POINTER_UP: 422 final int upPointer = event.getPointerId(event.getActionIndex()); 423 if (mTrackingPointer == upPointer) { 424 // gesture is ongoing, find a new pointer to track 425 final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1; 426 mTrackingPointer = event.getPointerId(newIndex); 427 mInitialTouchX = event.getX(newIndex); 428 mInitialTouchY = event.getY(newIndex); 429 } 430 break; 431 432 case MotionEvent.ACTION_MOVE: 433 final float h = y - mInitialTouchY; 434 trackMovement(event); 435 if (scrolledToBottom) { 436 if (h < -mTouchSlop && h < -Math.abs(x - mInitialTouchX)) { 437 cancelHeightAnimator(); 438 mInitialOffsetOnTouch = mExpandedHeight; 439 mInitialTouchY = y; 440 mInitialTouchX = x; 441 mTracking = true; 442 mTouchSlopExceeded = true; 443 onTrackingStarted(); 444 return true; 445 } 446 } 447 break; 448 case MotionEvent.ACTION_CANCEL: 449 case MotionEvent.ACTION_UP: 450 break; 451 } 452 return false; 453 } 454 455 private void cancelHeightAnimator() { 456 if (mHeightAnimator != null) { 457 mHeightAnimator.cancel(); 458 } 459 endClosing(); 460 } 461 462 private void endClosing() { 463 if (mClosing) { 464 mClosing = false; 465 onClosingFinished(); 466 } 467 } 468 469 private void initVelocityTracker() { 470 if (mVelocityTracker != null) { 471 mVelocityTracker.recycle(); 472 } 473 mVelocityTracker = VelocityTrackerFactory.obtain(getContext()); 474 } 475 476 protected boolean isScrolledToBottom() { 477 return true; 478 } 479 480 protected float getContentHeight() { 481 return mExpandedHeight; 482 } 483 484 @Override 485 protected void onFinishInflate() { 486 super.onFinishInflate(); 487 loadDimens(); 488 } 489 490 @Override 491 protected void onConfigurationChanged(Configuration newConfig) { 492 super.onConfigurationChanged(newConfig); 493 loadDimens(); 494 } 495 496 /** 497 * @param vel the current vertical velocity of the motion 498 * @param vectorVel the length of the vectorial velocity 499 * @return whether a fling should expands the panel; contracts otherwise 500 */ 501 protected boolean flingExpands(float vel, float vectorVel) { 502 if (isBelowFalsingThreshold()) { 503 return true; 504 } 505 if (Math.abs(vectorVel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) { 506 return getExpandedFraction() > 0.5f; 507 } else { 508 return vel > 0; 509 } 510 } 511 512 private boolean isBelowFalsingThreshold() { 513 return !mTouchAboveFalsingThreshold && mStatusBar.isFalsingThresholdNeeded(); 514 } 515 516 protected void fling(float vel, boolean expand) { 517 cancelPeek(); 518 float target = expand ? getMaxPanelHeight() : 0.0f; 519 520 // Hack to make the expand transition look nice when clear all button is visible - we make 521 // the animation only to the last notification, and then jump to the maximum panel height so 522 // clear all just fades in and the decelerating motion is towards the last notification. 523 final boolean clearAllExpandHack = expand && fullyExpandedClearAllVisible() 524 && mExpandedHeight < getMaxPanelHeight() - getClearAllHeight() 525 && !isClearAllVisible(); 526 if (clearAllExpandHack) { 527 target = getMaxPanelHeight() - getClearAllHeight(); 528 } 529 if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) { 530 notifyExpandingFinished(); 531 return; 532 } 533 mOverExpandedBeforeFling = getOverExpansionAmount() > 0f; 534 ValueAnimator animator = createHeightAnimator(target); 535 if (expand) { 536 boolean belowFalsingThreshold = isBelowFalsingThreshold(); 537 if (belowFalsingThreshold) { 538 vel = 0; 539 } 540 mFlingAnimationUtils.apply(animator, mExpandedHeight, target, vel, getHeight()); 541 if (belowFalsingThreshold) { 542 animator.setDuration(350); 543 } 544 } else { 545 mFlingAnimationUtils.applyDismissing(animator, mExpandedHeight, target, vel, 546 getHeight()); 547 548 // Make it shorter if we run a canned animation 549 if (vel == 0) { 550 animator.setDuration((long) 551 (animator.getDuration() * getCannedFlingDurationFactor())); 552 } 553 } 554 animator.addListener(new AnimatorListenerAdapter() { 555 private boolean mCancelled; 556 557 @Override 558 public void onAnimationCancel(Animator animation) { 559 mCancelled = true; 560 } 561 562 @Override 563 public void onAnimationEnd(Animator animation) { 564 if (clearAllExpandHack && !mCancelled) { 565 setExpandedHeightInternal(getMaxPanelHeight()); 566 } 567 mHeightAnimator = null; 568 if (!mCancelled) { 569 notifyExpandingFinished(); 570 } 571 } 572 }); 573 mHeightAnimator = animator; 574 animator.start(); 575 } 576 577 @Override 578 protected void onAttachedToWindow() { 579 super.onAttachedToWindow(); 580 mViewName = getResources().getResourceName(getId()); 581 } 582 583 public String getName() { 584 return mViewName; 585 } 586 587 public void setExpandedHeight(float height) { 588 if (DEBUG) logf("setExpandedHeight(%.1f)", height); 589 setExpandedHeightInternal(height + getOverExpansionPixels()); 590 } 591 592 @Override 593 protected void onLayout (boolean changed, int left, int top, int right, int bottom) { 594 super.onLayout(changed, left, top, right, bottom); 595 requestPanelHeightUpdate(); 596 mHasLayoutedSinceDown = true; 597 if (mUpdateFlingOnLayout) { 598 abortAnimations(); 599 fling(mUpdateFlingVelocity, true); 600 mUpdateFlingOnLayout = false; 601 } 602 } 603 604 protected void requestPanelHeightUpdate() { 605 float currentMaxPanelHeight = getMaxPanelHeight(); 606 607 // If the user isn't actively poking us, let's update the height 608 if ((!mTracking || isTrackingBlocked()) 609 && mHeightAnimator == null 610 && mExpandedHeight > 0 611 && currentMaxPanelHeight != mExpandedHeight 612 && !mPeekPending 613 && mPeekAnimator == null 614 && !mPeekTouching) { 615 setExpandedHeight(currentMaxPanelHeight); 616 } 617 } 618 619 public void setExpandedHeightInternal(float h) { 620 float fhWithoutOverExpansion = getMaxPanelHeight() - getOverExpansionAmount(); 621 if (mHeightAnimator == null) { 622 float overExpansionPixels = Math.max(0, h - fhWithoutOverExpansion); 623 if (getOverExpansionPixels() != overExpansionPixels && mTracking) { 624 setOverExpansion(overExpansionPixels, true /* isPixels */); 625 } 626 mExpandedHeight = Math.min(h, fhWithoutOverExpansion) + getOverExpansionAmount(); 627 } else { 628 mExpandedHeight = h; 629 if (mOverExpandedBeforeFling) { 630 setOverExpansion(Math.max(0, h - fhWithoutOverExpansion), false /* isPixels */); 631 } 632 } 633 634 mExpandedHeight = Math.max(0, mExpandedHeight); 635 onHeightUpdated(mExpandedHeight); 636 mExpandedFraction = Math.min(1f, fhWithoutOverExpansion == 0 637 ? 0 638 : mExpandedHeight / fhWithoutOverExpansion); 639 notifyBarPanelExpansionChanged(); 640 } 641 642 /** 643 * @return true if the panel tracking should be temporarily blocked; this is used when a 644 * conflicting gesture (opening QS) is happening 645 */ 646 protected abstract boolean isTrackingBlocked(); 647 648 protected abstract void setOverExpansion(float overExpansion, boolean isPixels); 649 650 protected abstract void onHeightUpdated(float expandedHeight); 651 652 protected abstract float getOverExpansionAmount(); 653 654 protected abstract float getOverExpansionPixels(); 655 656 /** 657 * This returns the maximum height of the panel. Children should override this if their 658 * desired height is not the full height. 659 * 660 * @return the default implementation simply returns the maximum height. 661 */ 662 protected abstract int getMaxPanelHeight(); 663 664 public void setExpandedFraction(float frac) { 665 setExpandedHeight(getMaxPanelHeight() * frac); 666 } 667 668 public float getExpandedHeight() { 669 return mExpandedHeight; 670 } 671 672 public float getExpandedFraction() { 673 return mExpandedFraction; 674 } 675 676 public boolean isFullyExpanded() { 677 return mExpandedHeight >= getMaxPanelHeight(); 678 } 679 680 public boolean isFullyCollapsed() { 681 return mExpandedHeight <= 0; 682 } 683 684 public boolean isCollapsing() { 685 return mClosing; 686 } 687 688 public boolean isTracking() { 689 return mTracking; 690 } 691 692 public void setBar(PanelBar panelBar) { 693 mBar = panelBar; 694 } 695 696 public void collapse(boolean delayed) { 697 if (DEBUG) logf("collapse: " + this); 698 if (mPeekPending || mPeekAnimator != null) { 699 mCollapseAfterPeek = true; 700 if (mPeekPending) { 701 702 // We know that the whole gesture is just a peek triggered by a simple click, so 703 // better start it now. 704 removeCallbacks(mPeekRunnable); 705 mPeekRunnable.run(); 706 } 707 } else if (!isFullyCollapsed() && !mTracking && !mClosing) { 708 cancelHeightAnimator(); 709 mClosing = true; 710 notifyExpandingStarted(); 711 if (delayed) { 712 postDelayed(mFlingCollapseRunnable, 120); 713 } else { 714 fling(0, false /* expand */); 715 } 716 } 717 } 718 719 private final Runnable mFlingCollapseRunnable = new Runnable() { 720 @Override 721 public void run() { 722 fling(0, false /* expand */); 723 } 724 }; 725 726 public void expand() { 727 if (DEBUG) logf("expand: " + this); 728 if (isFullyCollapsed()) { 729 mBar.startOpeningPanel(this); 730 notifyExpandingStarted(); 731 fling(0, true /* expand */); 732 } else if (DEBUG) { 733 if (DEBUG) logf("skipping expansion: is expanded"); 734 } 735 } 736 737 public void cancelPeek() { 738 if (mPeekAnimator != null) { 739 mPeekAnimator.cancel(); 740 } 741 removeCallbacks(mPeekRunnable); 742 mPeekPending = false; 743 744 // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also 745 // notify mBar that we might have closed ourselves. 746 notifyBarPanelExpansionChanged(); 747 } 748 749 public void instantExpand() { 750 mInstantExpanding = true; 751 mUpdateFlingOnLayout = false; 752 abortAnimations(); 753 cancelPeek(); 754 if (mTracking) { 755 onTrackingStopped(true /* expands */); // The panel is expanded after this call. 756 } 757 if (mExpanding) { 758 notifyExpandingFinished(); 759 } 760 setVisibility(VISIBLE); 761 762 // Wait for window manager to pickup the change, so we know the maximum height of the panel 763 // then. 764 getViewTreeObserver().addOnGlobalLayoutListener( 765 new ViewTreeObserver.OnGlobalLayoutListener() { 766 @Override 767 public void onGlobalLayout() { 768 if (mStatusBar.getStatusBarWindow().getHeight() 769 != mStatusBar.getStatusBarHeight()) { 770 getViewTreeObserver().removeOnGlobalLayoutListener(this); 771 setExpandedFraction(1f); 772 mInstantExpanding = false; 773 } 774 } 775 }); 776 777 // Make sure a layout really happens. 778 requestLayout(); 779 } 780 781 public void instantCollapse() { 782 abortAnimations(); 783 setExpandedFraction(0f); 784 if (mExpanding) { 785 notifyExpandingFinished(); 786 } 787 } 788 789 private void abortAnimations() { 790 cancelPeek(); 791 cancelHeightAnimator(); 792 removeCallbacks(mPostCollapseRunnable); 793 removeCallbacks(mFlingCollapseRunnable); 794 } 795 796 protected void onClosingFinished() { 797 mBar.onClosingFinished(); 798 } 799 800 801 protected void startUnlockHintAnimation() { 802 803 // We don't need to hint the user if an animation is already running or the user is changing 804 // the expansion. 805 if (mHeightAnimator != null || mTracking) { 806 return; 807 } 808 cancelPeek(); 809 notifyExpandingStarted(); 810 startUnlockHintAnimationPhase1(new Runnable() { 811 @Override 812 public void run() { 813 notifyExpandingFinished(); 814 mStatusBar.onHintFinished(); 815 mHintAnimationRunning = false; 816 } 817 }); 818 mStatusBar.onUnlockHintStarted(); 819 mHintAnimationRunning = true; 820 } 821 822 /** 823 * Phase 1: Move everything upwards. 824 */ 825 private void startUnlockHintAnimationPhase1(final Runnable onAnimationFinished) { 826 float target = Math.max(0, getMaxPanelHeight() - mHintDistance); 827 ValueAnimator animator = createHeightAnimator(target); 828 animator.setDuration(250); 829 animator.setInterpolator(mFastOutSlowInInterpolator); 830 animator.addListener(new AnimatorListenerAdapter() { 831 private boolean mCancelled; 832 833 @Override 834 public void onAnimationCancel(Animator animation) { 835 mCancelled = true; 836 } 837 838 @Override 839 public void onAnimationEnd(Animator animation) { 840 if (mCancelled) { 841 mHeightAnimator = null; 842 onAnimationFinished.run(); 843 } else { 844 startUnlockHintAnimationPhase2(onAnimationFinished); 845 } 846 } 847 }); 848 animator.start(); 849 mHeightAnimator = animator; 850 mKeyguardBottomArea.getIndicationView().animate() 851 .translationY(-mHintDistance) 852 .setDuration(250) 853 .setInterpolator(mFastOutSlowInInterpolator) 854 .withEndAction(new Runnable() { 855 @Override 856 public void run() { 857 mKeyguardBottomArea.getIndicationView().animate() 858 .translationY(0) 859 .setDuration(450) 860 .setInterpolator(mBounceInterpolator) 861 .start(); 862 } 863 }) 864 .start(); 865 } 866 867 /** 868 * Phase 2: Bounce down. 869 */ 870 private void startUnlockHintAnimationPhase2(final Runnable onAnimationFinished) { 871 ValueAnimator animator = createHeightAnimator(getMaxPanelHeight()); 872 animator.setDuration(450); 873 animator.setInterpolator(mBounceInterpolator); 874 animator.addListener(new AnimatorListenerAdapter() { 875 @Override 876 public void onAnimationEnd(Animator animation) { 877 mHeightAnimator = null; 878 onAnimationFinished.run(); 879 } 880 }); 881 animator.start(); 882 mHeightAnimator = animator; 883 } 884 885 private ValueAnimator createHeightAnimator(float targetHeight) { 886 ValueAnimator animator = ValueAnimator.ofFloat(mExpandedHeight, targetHeight); 887 animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 888 @Override 889 public void onAnimationUpdate(ValueAnimator animation) { 890 setExpandedHeightInternal((Float) animation.getAnimatedValue()); 891 } 892 }); 893 return animator; 894 } 895 896 private void notifyBarPanelExpansionChanged() { 897 mBar.panelExpansionChanged(this, mExpandedFraction, mExpandedFraction > 0f || mPeekPending 898 || mPeekAnimator != null); 899 } 900 901 /** 902 * Gets called when the user performs a click anywhere in the empty area of the panel. 903 * 904 * @return whether the panel will be expanded after the action performed by this method 905 */ 906 protected boolean onEmptySpaceClick(float x) { 907 if (mHintAnimationRunning) { 908 return true; 909 } 910 if (x < mEdgeTapAreaWidth 911 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 912 onEdgeClicked(false /* right */); 913 return true; 914 } else if (x > getWidth() - mEdgeTapAreaWidth 915 && mStatusBar.getBarState() == StatusBarState.KEYGUARD) { 916 onEdgeClicked(true /* right */); 917 return true; 918 } else { 919 return onMiddleClicked(); 920 } 921 } 922 923 private final Runnable mPostCollapseRunnable = new Runnable() { 924 @Override 925 public void run() { 926 collapse(false /* delayed */); 927 } 928 }; 929 private boolean onMiddleClicked() { 930 switch (mStatusBar.getBarState()) { 931 case StatusBarState.KEYGUARD: 932 if (!isDozing()) { 933 startUnlockHintAnimation(); 934 } 935 return true; 936 case StatusBarState.SHADE_LOCKED: 937 mStatusBar.goToKeyguard(); 938 return true; 939 case StatusBarState.SHADE: 940 941 // This gets called in the middle of the touch handling, where the state is still 942 // that we are tracking the panel. Collapse the panel after this is done. 943 post(mPostCollapseRunnable); 944 return false; 945 default: 946 return true; 947 } 948 } 949 950 protected abstract void onEdgeClicked(boolean right); 951 952 protected abstract boolean isDozing(); 953 954 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 955 pw.println(String.format("[PanelView(%s): expandedHeight=%f maxPanelHeight=%d closing=%s" 956 + " tracking=%s justPeeked=%s peekAnim=%s%s timeAnim=%s%s touchDisabled=%s" 957 + "]", 958 this.getClass().getSimpleName(), 959 getExpandedHeight(), 960 getMaxPanelHeight(), 961 mClosing?"T":"f", 962 mTracking?"T":"f", 963 mJustPeeked?"T":"f", 964 mPeekAnimator, ((mPeekAnimator!=null && mPeekAnimator.isStarted())?" (started)":""), 965 mHeightAnimator, ((mHeightAnimator !=null && mHeightAnimator.isStarted())?" (started)":""), 966 mTouchDisabled?"T":"f" 967 )); 968 } 969 970 public abstract void resetViews(); 971 972 protected abstract float getPeekHeight(); 973 974 protected abstract float getCannedFlingDurationFactor(); 975 976 /** 977 * @return whether "Clear all" button will be visible when the panel is fully expanded 978 */ 979 protected abstract boolean fullyExpandedClearAllVisible(); 980 981 protected abstract boolean isClearAllVisible(); 982 983 /** 984 * @return the height of the clear all button, in pixels 985 */ 986 protected abstract int getClearAllHeight(); 987} 988